System will TDR or BSOD when encoding with Power Director 11
Driver installation might result in a black screen when installing on a Dual AMD Radeon R9 295X configuration under Windows 8.1 on specific platforms (see below). The issue can be overcome by rebooting the PC; upon reboot the display driver will be installed. The remaining Catalyst components can then be installed.
ASUS Crosshair V Formula-Z (990FX)
ASUS Maximus VI Extreme (Z87
ASUS Rampage IV Extreme (X79)

Was I mistaken in thinking the upcoming WHQLs, presumably based on 14.4, were going to support Windows Vista? Not for my 8800 GTS (as my 7970 Matrix is provisionally dead), but for my better half's 7850OC.

Was I mistaken in thinking the upcoming WHQLs, presumably based on 14.4, were going to support Windows Vista? Not for my 8800 GTS (as my 7970 Matrix is provisionally dead), but for my better half's 7850OC.

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Maybe it's time for you to become the better half and upgrade her to at least 7 ?

So, I tested this drivers, and it seems that Mantle still **** on my card, but DirectX performance improve a little.
Test range (The lowest fps that I see)
14.3beta - 48
14.4rc - 51
6.25% of Improvements, I Will see the real gains in multiplayer...